Draining pump with sound insulation and noise reduction mechanism

Abstract

The utility model relates to the technical field of washing machines, and particularly discloses a draining pump with a sound insulation and noise reduction mechanism, which comprises a base, a sound insulation box arranged on the upper surface of the base, a water pump main body arranged on the inner side of the sound insulation box, and when the water pump main body works normally, the water pump main body is arranged in the sound insulation box which is elastically connected with the water pump main body through a shock absorber. The shock absorber suspends the water pump body, the water pump body can be effectively prevented from spreading noise to the outside through the base, the structure of the shock absorber can greatly reduce noise generated by vibration of the water pump body, and the sound insulation box can effectively prevent the water pump body from spreading noise through air. Elastic washers are arranged on the soundproof box and used for passing through the water inlet and the water outlet of the first pipeline and the second pipeline, noise generated by vibration of the first pipeline and the second pipeline is further prevented, an elastic cushion is arranged to further prevent noise transmission, the soundproof drainage pump has excellent soundproof performance, and the problem that a common drainage pump is large in noise is well solved.

Description

Technical Field

[0001] The utility model relates to the technical field of washing machines, in particular to a drainage pump with a sound insulation and noise reduction mechanism. Background Art

[0002] A washing machine is a cleaning appliance that uses electrical energy to generate mechanical action to wash clothes. The washing machine drain pump is an important component of the washing machine. Its function is to discharge the sewage during the washing process.

[0003] In the prior art, there is generally no sound insulation mechanism on the drain pump of the washing machine. The drain pump often generates a lot of noise during drainage operation, thereby increasing the working noise of the washing machine and reducing the user's experience. To this end, the utility model proposes a drain pump with a sound insulation and noise reduction mechanism to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a drainage pump with a sound insulation and noise reduction mechanism to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drainage pump with a sound insulation and noise reduction mechanism, comprising: a base, a sound insulation box is arranged on the upper surface of the base, a water pump body is arranged inside the sound insulation box, a water inlet seat is fixedly installed on one side of the water pump body, a water inlet is opened on the side of the sound insulation box opposite to the water inlet seat, a pipe one is fixedly installed between the water inlet and the water inlet seat, a drain outlet is opened on the upper surface of the sound insulation box, a water outlet seat is fixedly installed on the side of the water pump body opposite to the drain outlet, a pipe two is fixedly installed between the drain outlet and the water outlet seat, elastic washers are fixedly installed on the inner sides of the water inlet and the drain outlet, a shock absorber is arranged between the inner side of the sound insulation box and the upper end of the water pump body, and an elastic pad is arranged between the lower end of the sound insulation box and the upper surface of the base.

[0006] Preferably, the shock absorber includes a shock absorber cylinder, a piston rod is fixedly mounted on one end of the shock absorber cylinder, an upper connecting piece is fixedly connected to the other end of the shock absorber cylinder, and a lower connecting piece is fixedly connected to the other end of the piston rod. A shock absorbing spring is provided on the outer surfaces of the shock absorber cylinder and the piston rod, and both ends of the shock absorbing spring are respectively fixedly connected to one side of the upper connecting piece and the lower connecting piece.

[0007] Preferably, a fixing plate 2 is fixedly installed on one side of the upper end of the water pump body, a fixing plate 4 is fixedly installed on the other side, and four fixing plates 1 are fixedly installed on the side of the sound insulation box opposite to the water pump body.

[0008] Preferably, the upper connecting member is fixedly mounted on one side of the fixing plate one by means of bolt two, and the lower connecting member is fixedly mounted on one side of the fixing plate two and the fixing plate four by means of bolt three.

[0009] Preferably, the inner side of the water inlet is fixedly connected to the outer side of the first pipe via an elastic washer, and the inner side of the drain outlet is fixedly connected to the outer side of the second pipe via an elastic washer.

[0010] Preferably, a fixing plate three is fixedly connected to the lower side of the outer surface of the sound insulation box in an "L" shape, a bolt one and an elastic pad are provided on the lower surface of the fixing plate three, and a heat dissipation hole is opened at the upper end of the sound insulation box.

[0011] Preferably, the lower end of the sound insulation box is fixed to the upper surface of the base by three bolts of the fixing plate, and the two sides of the elastic pad are fixedly connected to the three lower ends of the fixing plate and the upper surface of the base respectively.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When the water pump body is working normally, the water pump body is placed in the sound insulation box, and the sound insulation box is elastically connected to the water pump body through the shock absorber. The shock absorber suspends the water pump body in the air, which can effectively prevent the water pump body from transmitting noise to the outside through the base, and the shock absorber's own structure can also greatly reduce the noise generated by the vibration of the water pump body. The sound insulation box itself can effectively prevent the water pump body from transmitting noise through the air. Elastic gaskets are provided on the sound insulation box for the water inlet and outlet of pipe one and pipe two to further prevent pipe one and pipe two from vibrating and generating noise. Finally, the sound insulation box is well fixed on the base and is provided with elastic pads to further prevent the spread of noise. It has excellent sound insulation performance and solves the problem of high noise of general drainage pumps, thereby reducing the noise of the washing machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a cross-sectional view of the overall structure of the utility model;

[0015] Figure 2 This is a top view of the overall structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the shock absorber of the utility model.

[0017] In the figure: 1. base; 2. sound insulation box; 3. shock absorber; 4. water pump body; 5. water inlet seat; 6. water outlet seat; 7. pipe one; 8. pipe two; 9. water inlet; 10. drain outlet; 11. bolt one; 12. elastic pad; 13. elastic washer; 14. piston rod; 15. shock absorber cylinder; 16. upper connecting piece; 17. lower connecting piece; 18. shock absorbing spring; 19. fixing plate one; 20. fixing plate two; 21. bolt two; 22. bolt three; 23. fixing plate three; 24. fixing plate four; 25. heat dissipation hole. DETAILED DESCRIPTION

[0018] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Embodiment 1

[0020] See also Figure 1-Figure 3 The utility model provides a technical solution: a drainage pump with a sound insulation and noise reduction mechanism, comprising: a base 1, a sound insulation box 2 is arranged on the upper surface of the base 1, the sound insulation box 2 is made of sound insulation and sound absorbing material and can effectively block the propagation of noise, a water pump body 4 is arranged inside the sound insulation box 2, a water inlet seat 5 is fixedly installed on one side of the water pump body 4, a water inlet port 9 is opened on the side of the sound insulation box 2 opposite to the water inlet seat 5, a pipe 1 7 is fixedly installed between the water inlet port 9 and the water inlet seat 5, the water pump body 4 takes in water through the water inlet port 9, the water inlet seat 5 and the pipe 1 7, a drain port 10 is opened on the upper surface of the sound insulation box 2, a water outlet seat 6 is fixedly installed on the side of the water pump body 4 opposite to the drain port 10, a pipe 2 8 is fixedly installed between the drain port 10 and the water outlet seat 6, and the water pump body 4 discharges water through the drain port 10, the water outlet seat 6 and the pipe 2 8;

[0021] Elastic washers 13 are fixedly installed on the inner sides of the water inlet 9 and the drain outlet 10. The inner side of the water inlet 9 is fixedly connected to the outer side of the pipe 1 7 through the elastic washers 13, and the inner side of the drain outlet 10 is fixedly connected to the outer side of the pipe 2 8 through the elastic washers 13. When the water pump body 4 is working, the pipe 1 7 and the pipe 2 8 will vibrate together. However, the elastic washers 13 are used to buffer and reduce the vibration of the pipe 1 7 and the pipe 2 8, and reduce the noise.

[0022] A shock absorber 3 is arranged between the inner side of the sound insulation box 2 and the upper end of the water pump body 4. The shock absorber 3 suspends the water pump body 4 in the air to prevent the water pump body 4 from transmitting noise through the base 1. An elastic pad 12 is arranged between the lower end of the sound insulation box 2 and the upper surface of the base 1 to further reduce the noise generated by vibration.

[0023] Embodiment 2

[0024] See also Figure 1 and Figure 3 On the basis of the first embodiment, in order to ensure that the shock absorber 3 can work normally, the shock absorber 3 includes a shock absorber cylinder 15, a piston rod 14 is fixedly installed at one end of the shock absorber cylinder 15, and a shock absorbing spring 18 is arranged on the outer surface of the shock absorber cylinder 15 and the piston rod 14, so that the shock absorber 3 has good shock absorbing performance;

[0025] The two ends of the shock-absorbing spring 18 are respectively fixedly connected to one side of the upper connecting member 16 and the lower connecting member 17, the other end of the shock absorber cylinder 15 is fixedly connected to the upper connecting member 16, and the other end of the piston rod 14 is fixedly connected to the lower connecting member 17. A fixing plate 20 is fixedly installed on one side of the upper end of the water pump body 4, and a fixing plate 4 24 is fixedly installed on the other side for installing the lower connecting member 17. Four fixing plates 19 are fixedly installed on the side of the sound insulation box 2 relative to the water pump body 4 for installing the upper connecting member 16. The upper connecting member 16 is fixedly installed on one side of the fixing plate 19 by bolt 21, and the lower connecting member 17 is fixedly installed on one side of the fixing plate 20 and the fixing plate 4 24 by bolt 3 22, which is easy to disassemble and convenient for subsequent replacement and maintenance of the shock absorber 3.

[0026] Embodiment 3

[0027] See also Figure 2 On the basis of the first embodiment, in order to ensure that the sound insulation box 2 serves the normal operation of the water pump body 4, a fixing plate three 23 is fixedly connected to the lower side of the outer surface of the sound insulation box 2 in an "L" shape, and a bolt 11 and an elastic pad 12 are arranged on the lower surface of the fixing plate three 23. The elasticity can provide a buffer to reduce the noise generated by vibration. The lower end of the sound insulation box 2 is fixed to the upper surface of the base 1 by the fixing plate three 23 bolts. The two sides of the elastic pad 12 are respectively fixedly connected to the lower end of the fixing plate three 23 and the upper surface of the base 1, which is easy to disassemble, that is, it is convenient to replace the elastic pad 12, and it is also convenient to detect and repair the water pump body 4 in the sound insulation box 2. A plurality of heat dissipation holes 25 are opened on the upper end of the sound insulation box 2. The heat dissipation holes 25 can discharge the heat generated by the water pump body 4, so that the water pump body 4 can operate normally.

[0028] In actual use, when the water pump body 4 is working normally, the water pump body 4 is placed in the sound insulation box 2, and the sound insulation box 2 is elastically connected to the water pump body 4 through the shock absorber 3. The shock absorber 3 suspends the water pump body 4, which can effectively prevent the water pump body 4 from transmitting noise to the outside through the base 1, and the structure of the shock absorber 3 itself can also greatly reduce the noise generated by the vibration of the water pump body 4, and the sound insulation box 2 itself can effectively prevent the water pump body 4 from transmitting noise through the air. The sound insulation box 2 is used to provide an elastic gasket 13 for the water inlet 9 and the outlet 10 for passing through pipe 1 7 and pipe 2 8, which further prevents pipe 1 7 and pipe 2 8 from vibrating and generating noise. Finally, the sound insulation box 2 is well fixed on the base 1, and is provided with an elastic pad 12 to further prevent the spread of noise.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drainage pump with a sound insulation and noise reduction mechanism, characterized in that: The drainage pump with a sound insulation and noise reduction mechanism comprises: a base (1), a sound insulation box (2) is arranged on the upper surface of the base (1), a water pump body (4) is arranged inside the sound insulation box (2), a water inlet seat (5) is fixedly installed on one side of the water pump body (4), a water inlet (9) is opened on the side of the sound insulation box (2) opposite to the water inlet seat (5), a pipe (7) is fixedly installed between the water inlet (9) and the water inlet seat (5), and a drainage port (10) is opened on the upper surface of the sound insulation box (2). ), a water outlet seat (6) is fixedly installed on the side of the water pump body (4) opposite to the drain outlet (10), a pipe (8) is fixedly installed between the drain outlet (10) and the water outlet seat (6), elastic washers (13) are fixedly installed on the inner sides of the water inlet (9) and the drain outlet (10), a shock absorber (3) is arranged between the inner side of the sound insulation box (2) and the upper end of the water pump body (4), and an elastic pad (12) is arranged between the lower end of the sound insulation box (2) and the upper surface of the base (1).

2. A drainage pump with a sound insulation and noise reduction mechanism according to claim 1, characterized in that: The shock absorber (3) comprises a shock absorber cylinder (15), one end of which is fixedly mounted with a piston rod (14), the other end of which is fixedly connected with an upper connecting piece (16), the other end of which is fixedly connected with a lower connecting piece (17), and the outer surfaces of the shock absorber cylinder (15) and the piston rod (14) are provided with a shock absorbing spring (18), the two ends of which are respectively fixedly connected with one side of the upper connecting piece (16) and the lower connecting piece (17).

3. A drainage pump with a sound insulation and noise reduction mechanism according to claim 1, characterized in that: A second fixing plate (20) is fixedly mounted on one side of the upper end of the water pump body (4), and a fourth fixing plate (24) is fixedly mounted on the other side. Four first fixing plates (19) are fixedly mounted on the side of the sound insulation box (2) opposite to the water pump body (4).

4. A drainage pump with a sound insulation and noise reduction mechanism according to claim 2, characterized in that: The upper connecting member (16) is fixedly mounted on one side of the fixing plate one (19) by means of bolt two (21), and the lower connecting member (17) is fixedly mounted on one side of the fixing plate two (20) and the fixing plate four (24) by means of bolt three (22).

5. A drainage pump with a sound insulation and noise reduction mechanism according to claim 1, characterized in that: The inner side of the water inlet (9) is fixedly connected to the outer side of the first pipe (7) via an elastic washer (13), and the inner side of the water outlet (10) is fixedly connected to the outer side of the second pipe (8) via an elastic washer (13).

6. A drainage pump with a sound insulation and noise reduction mechanism according to claim 1, characterized in that: A fixing plate three (23) is fixedly connected to the lower side of the outer surface of the sound insulation box (2) in an "L" shape, a bolt one (11) and an elastic pad (12) are provided on the lower surface of the fixing plate three (23), and a heat dissipation hole (25) is provided at the upper end of the sound insulation box (2).

7. A drainage pump with a sound insulation and noise reduction mechanism according to claim 1, characterized in that: The lower end of the soundproof box (2) is fixed to the upper surface of the base (1) by bolts of fixing plate three (23), and the two sides of the elastic pad (12) are fixedly connected to the lower end of fixing plate three (23) and the upper surface of the base (1) respectively.

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